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Piston wash on boosted engines...

J

JROD

Well-known member
Well I'm jumping ship from ski-doo and looking into the turbo world. Trying to cram my head as full of information as I can before I put a turbo together. Seems like I've usually been the one to contribute information and not the one looking for it so thanks to all of the contributors in the turbo forums. Anyway...

While reading wash in a boosted sled, is it the same as a NA engine or does it vary due to the mass amounts of fuel coming in under pressure? I've also noticed differences in wash in NA engines between race gas, av gas, and pump gas. Does that affect the wash characteristics in the turbo engines?

Also, I know that Av Gas does not carry the energy that race gas does. How does that affect the tuning on a boosted sled or is it too minimal to make a difference?

From what I've already read up on I'm leaning towards a RG setup so I have the capability of the bigger power but would probably run detuned most of the time down at 6-7 lbs at 6-9000 feet.
 
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